IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[tbh_Forums_GetUnapprovedPosts]') AND type in (N'P', N'PC')) BEGIN EXEC dbo.sp_executesql @statement = N'CREATE PROCEDURE [dbo].[tbh_Forums_GetUnapprovedPosts] AS SET NOCOUNT ON SELECT tbh_Posts.PostI...
GO IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[tbh_Forums_GetThreadByID]') AND type in (N'P', N'PC')) BEGIN EXEC dbo.sp_executesql @statement = N'CREATE PROCEDURE [dbo].[tbh_Forums_GetThreadByID] ( @ThreadPostID int ) AS SET NOCOUNT ON S...
解释"column 'device_id' in field list is ambiguous"错误信息的含义 "column 'device_id' in field list is ambiguous"错误表明在SQL查询中,device_id这一列名存在歧义。这是因为查询涉及的多个表中至少有两个表包含名为device_id的列,SQL引擎无法确定应该使用哪一个表的device_id列,因此抛出此错误。 分析可...
limit 0, 10]; Column 'created_by' in where clause is ambiguous; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'created_by' in where clause is ambiguous 原因: 说明SQL语句中有重复的created_by功能调用,并且在Mapper文件中,多表关联查询中有相同的...
from ibdhl A left join ibdhldetail B ON IhlId=B.IhlId 在 on 后面，应该要写成 A.IhlId=B.IhlId 。因为这两个字段名是一样的，系统无法判断你是从什么表获取数据，所以就 ambiguous 了。
In SQL, ambiguous column error you can see many times. Here’re a few examples of how to resolve this error. Here is a link for SQL set operators10 Top Rules for SQL Set Operators. Advertisements What is Ambiguous Column Error The ambiguous columns mean,SQLdoes not understand which column...
changed the titlePossible issueSQL error: 'column reference "id" is ambiguous'on Jun 8, 2015 Hedde commentedon Jun 8, 2015 Hedde jpic commentedon Jun 8, 2015 jpic Hedde commentedon Jun 8, 2015 Hedde Yes you're right distinct was required on the initial set, here's a way to reproduce...
empresa.cod_empresa = oferta.cod_empresa AND oferta.cod_oferta = oferta_estudiante.cod_oferta AND oferta_estudiante.cod_estudiante = estudiante.cod_estudiante GROUP BY (nom_empresa); Y me sale error 1052 Al ejecutarla Valora esta pregunta 0 Responderad ...
Power BI services, connected to Snowflake, generates SQL that triggers an error: " Unable to connect to the data source ODBC: ERROR [42601] SQL compilation error: ambiguous column name 'name'." The tables and attributes in question are DEALS.name, SCOPES.name, SUB_SCOPES.name, and QUESTIO...
该字段在关联表中的出现不止一次,不知道应该查哪一张表。只需在where中加上表名即可 select source.*, t1.username as targetUserName, t2.username as sourceName from sys_message source left join sys_user t1 on source.target_user_id = t1.id ...